Only one of the clusters is used at any particular moment, and software sees the processor as a single quad-core CPU.Released 2013, July 107g,.9mm thickness, android.2.2, up.4.2 8GB storage, microSD card slot.2 26,772,591 hits 492, become a fan.3" 540x960 pixels 8MP 1080p.5GB RAM, snapdragon 400 1900mAh.Our Samsung Canada team is in touch with the customer, and is investigating the issue." 112 In the UK companies which sold the S4 have varied in their reactions to claims by worried customers for replacement batteries under the Sale of Goods Act.